He’s on a mission to influence positive lifestyle changes in people around the world. Shaun T offers fitness programs that prove becoming the best version of yourself is attainable.

Let’s be honest: you’ve probably done thousands of sit-ups thinking they’d give you a stronger core. We all have. But here’s the uncomfortable truth—those endless crunches aren’t doing much for you.

Five moves and a set of dumbbells are all you need to torch your midsection and, over time, strengthen your core. This routine fits perfectly at the end of any existing workout, or you could even roll ...

If weakened here, you lose strength, speed, and stability. We explain why you should definitely strengthen your core—and reveal our six expert exercises that are ideal for this. Why We Should ...